On Mon, May 10, 2021 at 08:53:31AM -0500, Peter Bergner wrote: > On 5/10/21 7:52 AM, Pat Haugen wrote: > > On 5/7/21 6:00 PM, Segher Boessenkool wrote: > >> So what is this replaced with? Was it an "xxlmr" and it is just > >> unnecessary now? > > > > Different RA choice made the reg copy unnecessary. > > > > < xxspltib 0,8 > > < xxlor 32,0,0 > > --- > >> xxspltib 32,8 > > Given how we use xxlor's for vsx reg copies and how easily they > can change, I'm not sure we should even be counting them at all, > since they can change with the phase of the moon or the day of > the week.
Yeah -- otoh, it is probably a good idea to keep it for some simpler testcases, so we are alerted to regressions on this. It's a tradeoff, there is no one best way. But maybe remove it if it "randomly" changed on a testcase? Segher